Home / 23,428.32-32,331.20-12,818.13

Finding the Fourth Proportional to 23,428.32, 32,331.20 and 12,818.13

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Solution

The fourth proportional to 23,428.32, 32,331.20 and 12,818.13 is: 17,689.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,428.32 : 32,331.20 = 12,818.13 : x
  2. Step 2: Convert to fraction form
    23,428.32/32,331.20 = 12,818.13/x
  3. Step 3: Cross multiply
    23,428.32x = 32,331.20 × 12,818.13
  4. Step 4: Simplify right side
    23,428.32x = 414,425,460.57
  5. Step 5: Solve for x
    x = 414,425,460.57/23,428.32
  6. Step 6: Final answer
    x = 17,689.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.